1. Department of Chemical Engineering, University of Chemistry and Technology Prague, Technická 5, Prague 6 166 28, Czech Republic
2. Zentiva, k.s., U Kabelovny 130, Prague 10 102 37, Czech Republic
3. Department of Physical Chemistry, Faculty of Science, Palacký University Olomouc, 17. listopadu 12, Olomouc 771 46, Czech Republic
4. Department of Organic Technology, University of Chemistry and Technology Prague, Technická 5, Prague 6 166 28, Czech Republic
5. Institute of Macromolecular Chemistry of the Czech Academy of Sciences, Prague 6 162 00, Czech Republic